# Service bulletin SB137011

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 622258
- Published by NHTSA: 2001\-10\-16
- Manufacturer's number: SB137011
- Manufacturer's date: 2001\-08\-17
- Replaces: SB137011
- NHTSA component: STRUCTURE:FRAME AND MEMBERS

## NHTSA's summary

IN CERTAIN SEVERE APPLICATION SUCH AS COAL FIELDS, SOME REFUSE AND OTHER TYPES OF HEAVYLOAD, ON / OFF ROAD OPERATIONS, THE STANDARD 44,000 LB TRUNNION BRACKETS MAY DEVELOP CRACKS IN THE BOTTOM PLATE ACROSS THE BRACKET ON ALL EXCEPT CH AND CL MODELS. \*TT

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Body and frame

## Vehicles listed

- MACK MACK

JSON: [/v1/bulletins/622258](/v1/bulletins/622258)

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